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Cuban dissident blogger Yoani Sanchez has her documents checked at passport control before leaving Cuba to travel to Brazil and other countries at the Jose Marti International Airport in Havana, Cuba, Sunday, Feb. 17, 2013. Sanchez is one of the Cuban dissidents who applied for passports to go overseas under recently enacted travel reform. Her request was granted last month. By her own account Sanchez has on some 20 occasions been rejected for the exit visa that for decades was required of all islanders seeking to go abroad.(AP Photo/Franklin Reyes)

Cuban dissident blogger Yoani Sanchez has her documents checked at passport control before leaving Cuba to travel to Brazil and other countries at the Jose Marti International Airport in Havana, Cuba, Sunday, Feb. 17, 2013. Sanchez is one of the Cuban dissidents who applied for passports to go overseas under recently enacted travel reform. Her request was granted last month. By her own account Sanchez has on some 20 occasions been rejected for the exit visa that for decades was required of all islanders seeking to go abroad.(AP Photo/Franklin Reyes)